Primary Care

From the Department of Medicine, Baylor College of Medicine and Methodist Hospital, and the Renal Section, Department of Veterans Affairs Medical Center, Houston (H.J.A.); and the Department of Medicine, Tufts University School of Medicine, and the Division of Nephrology and Tupper Research Institute, New England Medical Center, Boston (N.E.M.). Address reprint requests to Dr. Madias at the Division of Nephrology, New England Medical Center, Box 172, 750 Washington St., Boston, MA 02111, or at [email protected].